地震剖面线条化的一种简单算法  

A Simple Algorithm for Seismic Skeletonization

作　　者：郭良辉[1] 孟小红[1] 薛爱民[2] 

机构地区：[1]地质过程与矿产资源国家重点实验室和地下信息探测技术与仪器教育部重点实验室 [2]北京派特森科技发展有限公司,北京100083

出　　处：《地球科学（中国地质大学学报）》2007年第4期545-548,共4页Earth Science-Journal of China University of Geosciences

基　　金："油气藏地质及开发过程"国家重点实验室开放基金项目(NoPLC200503);北京市重点学科"地球探测与信息技术(XK104910598)"资助

摘　　要：地震剖面线条化是应用模式识别方法自动追踪剖面中的同相轴,并自动绘制线条图.首先探测地震道中的周波,并描述周波属性,然后根据相邻三道周波相关的目标函数最小原则追踪同相轴,描述同相轴属性,并记录同相轴属性表.根据同相轴属性表,可对地震剖面进行基于同相轴属性的统计分析和滤波以及定量解释.本文对现有的地震剖面线条化方法进行了改进简化,实现地震剖面同相轴快速自动追踪和自动绘制线条图.合成数据和实际数据试验表明该方法计算简单、快速、有效.Seismic skeletonization is a pattern recognition method that is used to automatically track seismic events and produce an automatic line drawing. By using this method, the cycles in every seismic trace are first detected and the attributes of cycles are characterized. Then the seismic events are tracked based on the minimum of cost function of cycle correlation in three neighbor traces, and the attributes of events are characterized, and the attributes are kept track of in a catalog, according to which, one can perform attribute-based analysis and data filtering and quantitatively interpretation. In this paper, the previous seismic skeletonization is modified and simplified and an quick automatic tracking of events and line drawing can be realized. The experiments on the synthetic data and the raw data show that the modified method is more efficient facilitates the calculation.

关 键 词：地震剖面 同相轴 自动追踪 模式识别 线条化 

分 类 号：P315.69[天文地球—地震学]